Cita APA

Lewis, M., & Kelly, G. (1986). 20 activities for developing managerial effectiveness: A management skills training manual. Gower.

Citación estilo Chicago

Lewis, Mike, and Graham Kelly. 20 Activities for Developing Managerial Effectiveness: A Management Skills Training Manual. Aldershot, Hants, Eng: Gower, 1986.

Cita MLA

Lewis, Mike, and Graham Kelly. 20 Activities for Developing Managerial Effectiveness: A Management Skills Training Manual. Gower, 1986.